Apparatus for transforming sound into electrical energy



Se t. 24 1929. H' HYES l,729,383

APPARATUS FOR TRANSFORMNG SOUND INTO ELEGTRICAL ENERGY F11ed June 50. 1924- uid within the ma netic a ribbon Shaped nductor diSposed Within the magnetic a means for directin sound undulations throu h the fiuid vvithin the m neti gap nd across sid conductor, the eect of mSS Of sid conduct0r upon the-In0ti011 0f Sid conductor being small a's compared to the eect of the are Of the conduct0r and the eeCt of the visc0sity of the uid and electrical connections for said conductor for the utilizati0n of the voltage generated therein b movement of sid conductor within said 

